"Vignettes" or a portrayal of Horace Wells.
Johnston
W D
WD
D000766:Anesthesia, Dental / Q000266:history*; D000768:Anesthesia, General / Q000266:history*; D003237:Connecticut; D049672:History, 19th Century; D009609:Nitrous Oxide / Q000266:history
D009609:Nitrous Oxide